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Snap-on IMFM21 | 3/8" Drive 6-Point Flank Drive Shallow Impact Socket | 21 mm
Part Number : IMFM21
The IMFM21 is a 21 mm 6-Point Metric shallow impact socket for 3/8" square drive, 31.8 mm long overall. Bolt clearance depth is 17.9 mm, with a hex end of 29.4 mm and a drive end of 29.4 mm. It is built for use with impact wrenches.
Key features
- Hex depth: 11.9 mm
- 6-Point opening for 21 mm fasteners
- Flank Drive wrenching system: up to 20% more turning power, without slipping or rounding
- Heat treatment tuned for repeated impact cycling, softer than hand sockets
- Nut starts onto the stud thanks to the shallow hex
- Square drive side hole for ball or pin retention
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